CN101478528B - Method for protocol attribute negotiation in communication system - Google Patents
Method for protocol attribute negotiation in communication system Download PDFInfo
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- CN101478528B CN101478528B CN2008100018090A CN200810001809A CN101478528B CN 101478528 B CN101478528 B CN 101478528B CN 2008100018090 A CN2008100018090 A CN 2008100018090A CN 200810001809 A CN200810001809 A CN 200810001809A CN 101478528 B CN101478528 B CN 101478528B
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Abstract
The present invention provides a protocol attribute negotiation method in a communication system. For each protocol attribute negotiation, one end originating protocol attribute negotiation includes appointed protocol object fields in a starting negotiation message; an opposite end performs protocol negotiation according to the appointed negotiation object field therein after receiving said starting negotiation message, then both ends store this negotiation result after the negotiation. The technical scheme of the invention avoids the inconsistency of both ends negotiation object by appointing the negotiation object through which the end originating protocol attribute negotiation includes PersonalityIndex in the starting protocol message.
Description
Technical field
The present invention relates to wireless communication field, refer more particularly to and support the method that portable terminal and wireless system carry out protocol negotiation in code division multiple access (CDMA) communication system.
Background technology
Wireless communication system generally is designed to abide by one or more specific protocol standards, and new consensus standard is constantly proposed and adopts use.Each consensus standard has all been stipulated the employed air interface protocol of this standard, to support between communication equipment communicating by letter of (being portable terminal with wireless network between).Air interface protocol has been stipulated to carry out the mechanism of specific function, and comprises the some agreements that allow various functions to realize.This agreement is by unique version number's sign.Usually in the framework of existing air interface protocol, can realize new function through defining new attribute, message and state machine.If existing protocol is modified or upgrades, just define new air interface protocol and distribute new invulnerable release.
With CDMA2000 1xEV-DO (IS-856) standard is example, and its air interface protocol adopts hierarchy, every layer of some agreement of definition, each protocol definition certain attributes.This standard has comprised the agreement of a series of continuous evolution.Newer IS-856 protocol version not only comprises the characteristic and the function of previous version, also can improve and increase new characteristic.
By convention, each communication equipment (for example each portable terminal and wireless network) is designed to support one or more revision versions (like the scope of revision version) of air interface protocol.Layer and agreement that portable terminal and wireless network should use the both to support communicate, and can just confirm this information in zero hour communication session phase, and confirm that the process of this information is commonly called protocol attribute negotiation.
The air interface protocol version 0 and the version A of CDMA2000 1xEV-DO standard are two standards that this protocol suite successively occurs; Version A has bigger improvement with respect to version 0, and the enhancing of physical layer and mac-layer protocol can be supported higher preceding reverse data transmission rate, more effectively reduce inter-user interference; The enhancing of application layer protocol provides powerful guarantee for the QoS characteristic of supporting customer service; The enhancing of session-layer protocol can be supported wireless parameter configuration more flexibly.
In each layer protocol; The session configuration agreement of session layer is used to be controlled between portable terminal and the wireless network protocol subtypes (protocol subtypes can be regarded as the attribute of certain agreement) and the every kind of employed concrete negotiation attribute of protocol subtypes to each layer use and holds consultation; The most basic mode is that an end entity (portable terminal or wireless network) sends the selecteed attribute property value relevant with them through one or more configuration-request messages, accepts the attribute property value relevant with them after the entity handles of opposite end through one or more configurations-response message then.The protocol subtypes that consults with and under the negotiation attribute constitute a cover attribute configuration collection.
Typically, IS-856 air interface protocol version A is supported between portable terminal and wireless system and consults many covers but not attribute configuration collection (every cover attribute configuration collection is called as a Personality) that a cover has the different radio characteristic.When portable terminal moves between the wireless network of support diversity of protocol versions, can, above-mentioned attribute configuration with different radio characteristic switch between gathering easily.
Description according to IS-856 air interface protocol version A; Much more typical cover Personality consult flow processs and are made up of: Session following several stages and open--＞wireless network sends configuration initiation message (if portable terminal initiates to consult then not this step)--negotiation phase that＞AT (portable terminal) initiates--negotiation phase that＞AN (wireless network) initiates--＞wireless network send soft configuration accomplish message (the notice portable terminal is submitted to the attribute configuration collection of this negotiation among certain Personality--＞continue to consult other Personality if desired; Then get into the negotiation phase that AT initiates once more--negotiation phase that＞AN initiates-＞wireless network sends soft configuration and accomplishes message (the notice portable terminal is submitted to the attribute configuration collection of this negotiation among certain Personality; If need not continue to consult other Personality, the Personality that will launch is set then)-＞the flow process end.
Can find out by above-mentioned flow process; At each Personality negotiation phase, always accomplish in the message this negotiation result is confirmed to be submitted to preservation among certain Personality (the PersonalityIndexStore field of being accomplished in the message by soft configuration indicates) in the last soft configuration of this stage.For initial negotiation, it is no problem to operate like this, and all properties of giving tacit consent to current negotiation promptly is submitted among this Personality after this Personality consults to accomplish.If but consulted a plurality of Personality before, wireless network or portable terminal require to consult again owing to having revised certain parameter of having consulted, and can't judge in negotiations process that then which overlap Personality based on consults.
Two cover Personality (being respectively PersonalityIndex=0 and PersonalityIndex=1) had been consulted for example between portable terminal and wireless network; Use RTCMAC protocol subtypes 0 and RTCMAC subtype 3 respectively, that launch after consulting to accomplish is the second cover Personality (PersonalityIndex=1).Revised certain attribute X of RTCMAC protocol subtypes 0 subsequently in wireless network one side; Need to initiate again to consult; So after wireless network has sent the configuration initiation message; Can portable terminal select correct Personality to hold consultation with it, and this depends on the realization of portable terminal, and air interface protocol does not have clear and definite description to this.Following two kinds of possibilities are arranged:
(1) portable terminal is thought the current Personality that is launching (PersonalityIndex=1) is consulted; And use RTCMAC subtype 3; Then might can't recognition property X; Even if ability recognition property X; If but the soft configuration of being sent by wireless network in the flow accomplishes the message informing portable terminal attribute configuration collection of this negotiation is submitted among the first cover Personality (PersonalityIndex=0), then can cause inconsistent on use attribute of portable terminal and wireless network;
(2) portable terminal is thought to consult since the first cover Personality (PersonalityIndex=0); If but the soft configuration of being sent by wireless network in the flow accomplishes notice portable terminal in the message attribute configuration collection of this negotiation is submitted among the second cover Personality (PersonalityIndex=1), can cause inconsistent on use attribute of portable terminal and wireless network equally.
In like manner, if portable terminal has been owing to revised a certain attribute configuration, and initiatively initiate to consult again, can wireless network select correct Personality to hold consultation with it also is a unsettled problem.
Summary of the invention
The technical problem that the present invention will solve provides the method for protocol attribute negotiation in a kind of communication system, thereby exists and consult inconsistent on the inconsistent both sides' of the causing use attribute of object to solve the both sides that carry out protocol attribute negotiation in the prior art.
In order to address the above problem, the invention provides the method for protocol attribute negotiation in a kind of communication system, when carrying out protocol attribute negotiation, an end of initiation protocol attribute negotiation comprises in starting the message of consulting specifies the field of consulting object at every turn; Opposite end basis appointment wherein after the message that receives said startup negotiation is consulted the field of object and is carried out protocol attribute negotiation, and the back both sides that consult to finish store this negotiation result.
Further, be wireless network if initiate an end of said protocol attribute negotiation, the message that then said startup is consulted is configuration-initiation message; If initiating an end of said protocol attribute negotiation is portable terminal, the message that then said startup is consulted is article one configuration-request message.
Further, said wireless network also comprises the indication opposite end and whether consults the specified object of the field of object as the identification field of consulting object with said appointment in configuration-initiation message that said portable terminal sends;
Said portable terminal also comprises the indication opposite end and whether consults the identification field of the specified object of the field of object as the negotiation object with said appointment in article one configuration-request message that said wireless network sends.
Further, the field of said appointment negotiation object is represented with PersonalityIndex;
Whether said indication opposite end is represented with PersonailityIndexIncluded as the identification field of consulting object with the specified object of field of said appointment negotiation object;
After said portable terminal is received said configuration-initiation message that said wireless network sends, if said PersonailityIndexIncluded begins to consult from the specified object of said PersonalityIndex for " TRUE " then said portable terminal;
After said wireless network is received said configuration-request message that said portable terminal sends, if said PersonailityIndexIncluded begins to consult from the specified object of said PersonalityIndex for " TRUE " then said wireless network.
Further, be wireless network if initiate an end of said protocol attribute negotiation, then said portable terminal is made as " FALSE " with PersonailityIndexIncluded field wherein when said wireless network sends article one configuration-request message;
After said wireless network is received article one configuration-request message that said portable terminal sends,, ignore the PersonailityIndex field in the said message if PersonailityIndexIncluded field wherein is " FALSE ".
Further, said negotiation finishes the back both sides when this negotiation result is stored into this and consult to start among the indicated Personaility of PersonalityIndex.
Further, after said protocol attribute negotiation configuration was accomplished, said wireless network does not comprise in the message that the negotiation that said portable terminal sends is accomplished specified the field of consulting object.
In sum; The invention provides the method for protocol attribute negotiation in a kind of communication system; One end of initiation protocol attribute negotiation has avoided both sides to consult the inconsistency of object through in starting the message of consulting, comprising the object that PersonalityIndex specifies negotiation.
Description of drawings
Fig. 1 is the flow chart of the specific embodiment of the invention by wireless network initiation protocol attribute negotiation;
Fig. 2 is the flow chart of the specific embodiment of the invention by portable terminal initiation protocol attribute negotiation;
Fig. 3 A-Fig. 3 C is the form sketch map of the negotiation related news after the present invention improves.
Embodiment
The invention provides the method for protocol attribute negotiation in a kind of communication system; An end of initiate consulting carries the object that the PersonalityIndex field is held consultation with appointment when beginning to consult, thereby consults that object is inconsistent to reach inconsistent on use attribute when having avoided portable terminal and wireless network to hold consultation.
Present embodiment will combine accompanying drawing that the present invention is further specified:
Be illustrated in figure 1 as the flow chart of the present invention, comprise following steps by the protocol attribute negotiation of wireless network initiation:
Step 101: portable terminal inserts certain wireless network first; Initiate the request of a newly-built session to wireless network, at first asking wireless network is that this session distributes a UATI sign (Unicast AccessTerminal Identifier. portable terminal unique identification);
Step 102: wireless network is under the condition that resource allows, for this portable terminal distributes a UATI sign;
Step 103: portable terminal receives that the UATI sign back of assignment is to accomplish acknowledgement messaging (after this step, portable terminal and wireless network use each attribute default value of default protocol subtype and agreement regulation to open this session respectively).If set up and consulted session information between wireless network and the portable terminal before, but revised certain or some consultation parameters and caused consulting session again, then skipped the 101-103 step, directly got into for 104 steps owing to wireless network;
Step 104: set up airlink between wireless network and the portable terminal; The same prior art of step 101 to step 104.
Step 105: wireless network sends configuration-startup (ConfigurationStart) message, requires portable terminal to get into and consults flow process.Comprise in this ConfigurationStart message in order to the field of specify consulting object and indicating mobile terminal and whether consult the identification field of the specified object of the field of object as the negotiation object with this appointments.Wherein, Said appointment consult object field can but be not limited to represent with the PersonailityIndex field, said indicating mobile terminal whether with the specified object of the field of this appointments negotiation object as the identification field of negotiation object can but be not limited to represent with the PersonailityIndexIncluded field.And the PersonailityIndexIncluded field is made as TRUE.After portable terminal is received this ConfigurationStart message,, then launch corresponding with it attribute negotiation according to the PersonailityIndex field of wherein carrying because of the PersonailityIndexIncluded field is TRUE;
Be depicted as the form sketch map of configuration-startup among the present invention (ConfigurationStart) message like Fig. 3 A, wherein increased PersonailityIndex and PersonailityIndexIncluded field newly.
Step 106: get into the attribute negotiation stage that portable terminal is initiated; Whether this stage shows as the mutual of configuration-response message that a series of configuration-requests (ConfigurationRequest) of being initiated by portable terminal and wireless network reply, comprise in article one configuration-request message that portable terminal sends in order to specify the field of consulting object and to indicate wireless network with the identification field of the specified object of the field of this appointment negotiation object as the negotiation object.Wherein, Said appointment consult object field can but be not limited to represent with the PersonailityIndex field, said indicating mobile terminal whether with the specified object of the field of this appointments negotiation object as the identification field of negotiation object can but be not limited to represent with the PersonailityIndexIncluded field.Because wireless network has indicated the PersonalityIndex of this stage negotiation; Therefore the PersonailityIndexIncluded field in article one configuration-request message of portable terminal transmission should be set to FALSE; After then wireless network is received this configuration-request message, then ignore the PersonailityIndex field in the message;
Be depicted as the form sketch map of configuration-request among the present invention (ConfigurationRequest) message like Fig. 3 B; PersonailityIndex and PersonailityIndexIncluded field have wherein been increased newly; AttributeRecord can not have, and can be one or more yet.
Step 107: after protocol subtypes that all need be consulted and protocol attribute negotiation thereof finished, portable terminal sent configuration to wireless network and accomplishes message;
Step 108: next get into the attribute negotiation stage that wireless network is initiated, this stage show as configuration-response message that a series of configuration-requests of being initiated by wireless network and portable terminal reply alternately; The same prior art of these step concrete operations.
Step 109: after protocol subtypes that all need be consulted and protocol attribute negotiation thereof finish; Wireless network sends soft configuration to portable terminal and accomplishes message, and portable terminal and wireless network are submitted to this negotiation result (protocol subtypes and the protocol attribute negotiation that comprise negotiation) among the indicated Personality of PersonalityIndex when consulting startup separately subsequently.Continue to consult an other cover Personality if desired, then the Continue field also need soft configuration accomplished in the message of wireless network is set to " 1 "; If need not continue to consult an other cover Personality then finish this attribute negotiation.
Be depicted as the form sketch map that (SoftConfigurationComplete) message is accomplished in soft configuration among the present invention like Fig. 3 C, deleted the PersonalityIndexStore field of the Personality that original each attribute of consulting before being used to indicate need store.
Step 110: portable terminal receives that the Continue field is 1 soft configuration completion message, gets into the attribute negotiation stage that portable terminal is initiated once more.This stage show as configuration-response message that a series of configuration-requests of being initiated by portable terminal and wireless network reply alternately.Comprise PersonailityIndexIncluded and PersonailityIndex field in article one configuration-request message that portable terminal sends; And the PersonailityIndexIncluded field should be set to TRUE; After wireless network is received this message, launch corresponding with it negotiation according to the PersonailityIndex field of carrying in the message;
Step 111: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finished, portable terminal sent configuration to wireless network and accomplishes message;
Step 112: next get into the attribute negotiation stage that wireless network is initiated, this stage show as configuration-response message that a series of configuration-requests of being initiated by wireless network and portable terminal reply alternately;
Step 113: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finish; Wireless network sends soft configuration to portable terminal and accomplishes message, and portable terminal and wireless network are submitted to this negotiation result among the indicated Personality of PersonalityIndex when consulting startup separately subsequently.If no longer need continue to consult an other cover Personality, then wireless network need be soft the Continue field accomplished in the message of negotiation be set to " 0 ";
Step 114: wireless network or portable terminal initiation session are closed, and this consults to finish.
Be illustrated in figure 2 as the flow chart of the present invention, comprise following steps by the protocol attribute negotiation of portable terminal initiation:
Step 201: portable terminal inserts certain wireless network first, initiates the request of a newly-built session to wireless network, and at first asking wireless network is that this session distributes a UATI sign;
Step 202: wireless network is under the condition that resource allows, for this portable terminal distributes a UATI sign;
Step 203: portable terminal receives that the UATI sign back of assignment is to accomplish acknowledgement messaging (after this step, portable terminal and wireless network use each attribute default value of default protocol subtype and agreement regulation to open this session respectively).If set up and consulted session information between wireless network and the portable terminal before, but revised certain or some consultation parameters and caused consulting session again, then skipped the 201-203 step, directly got into for 204 steps owing to portable terminal;
Step 204: set up airlink between wireless network and the portable terminal; The same prior art of step 201 to step 204.
Step 205: portable terminal initiatively sends configuration-request message to wireless network; Request gets into the attribute negotiation stage that portable terminal is initiated; This stage shows as the mutual of configuration-response message that a series of configuration-requests of being initiated by portable terminal and wireless network reply, and whether portable terminal comprises in article one configuration-request message that wireless network sends in order to the field of specifying the negotiation object and indicating mobile terminal with the identification field of the specified object of the field of this appointment negotiation object as the negotiation object.Wherein, Said appointment consult object field can but be not limited to represent with the PersonailityIndex field, said indicating mobile terminal whether with the specified object of the field of this appointments negotiation object as the identification field of negotiation object can but be not limited to represent with the PersonailityIndexIncluded field.
Portable terminal should be set to TRUE with the PersonailityIndexIncluded field, and wireless network is received this message, launch corresponding with it negotiation according to the PersonailityIndex field of carrying in the message;
Be depicted as the form sketch map of configuration-request among the present invention (ConfigurationRequest) message like Fig. 3 B; PersonailityIndex and PersonailityIndexIncluded field have wherein been increased newly; AttributeRecord can not have, and can be one or more yet.
Step 206: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finished, portable terminal sent configuration to wireless network and accomplishes message;
Step 207: next get into the attribute negotiation stage that wireless network is initiated, this stage show as configuration-response message that a series of configuration-requests of being initiated by wireless network and portable terminal reply alternately;
Step 208: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finish; Wireless network sends soft configuration to portable terminal and accomplishes message, and portable terminal and wireless network are submitted to this negotiation result among the indicated Personality of PersonalityIndex when consulting startup separately subsequently.Continue to consult an other cover Personality if desired, then the Continue field also need soft configuration accomplished in the message of wireless network is set to " 1 "; If need not continue to consult an other cover Personality then finish this attribute negotiation.
Be depicted as the form sketch map that (SofiConfigurationComplete) message is accomplished in soft configuration among the present invention like Fig. 3 C, deleted the PersonalityIndexStore field of the Personality that original each attribute of consulting before being used to indicate need store.
Step 209: portable terminal receives that the Continue field is 1 soft configuration completion message, gets into the attribute negotiation stage that portable terminal is initiated once more.This stage show as configuration-response message that a series of configuration-requests of being initiated by portable terminal and wireless network reply alternately.Also comprise PersonailityIndexIncluded and PersonalityIndex field in article one configuration-request message that portable terminal sends; And the PersonailityIndexIncluded field should be set to TRUE; After wireless network is received this message, launch corresponding with it negotiation according to the PersonailityIndex field of carrying in the message;
Step 210: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finished, portable terminal sent configuration to wireless network and accomplishes message;
Step 211: next get into the attribute negotiation stage that wireless network is initiated, this stage show as configuration-response message that a series of configuration-requests of being initiated by wireless network and portable terminal reply alternately;
Step 212: after protocol subtypes that all need be consulted and negotiation attribute negotiation thereof finish; Wireless network sends soft configuration to portable terminal and accomplishes message, and portable terminal and wireless network are submitted to this negotiation result among the indicated Personality of PersonalityIndex when consulting startup separately subsequently.If no longer need continue to consult an other cover Personality, then wireless network need be soft the Continue field accomplished in the message of configuration be set to " 0 ";
Step 213: wireless network or portable terminal initiation session are closed, and this consults to finish.
Claims (6)
1. the method for protocol attribute negotiation in the communication system; When carrying out protocol attribute negotiation, an end of initiation protocol attribute negotiation comprises in the message of start consulting specifies the field of consulting object and indication opposite end whether to consult the specified object of the field of object as the identification field of consulting object with said appointment at every turn; Opposite end basis appointment wherein after the message that receives said startup negotiation is consulted the field of object and is carried out protocol attribute negotiation, and the back both sides that consult to finish store this negotiation result.
2. the method for claim 1 is characterized in that:
If initiating an end of said protocol attribute negotiation is wireless network, the message that then said startup is consulted is configuration-initiation message; If initiating an end of said protocol attribute negotiation is portable terminal, the message that then said startup is consulted is article one configuration-request message.
3. method as claimed in claim 2 is characterized in that:
Said appointment is consulted the field of object and is represented with PersonalityIndex;
Whether said indication opposite end is represented with PersonailityIndexIncluded as the identification field of consulting object with the specified object of field of said appointment negotiation object;
After said portable terminal is received said configuration-initiation message that said wireless network sends, if said PersonailityIndexIncluded begins to consult from the specified object of said PersonalityIndex for " TRUE " then said portable terminal;
After said wireless network is received said configuration-request message that said portable terminal sends, if said PersonailityIndexIncluded begins to consult from the specified object of said PersonalityIndex for " TRUE " then said wireless network.
4. method as claimed in claim 3 is characterized in that:
If initiating an end of said protocol attribute negotiation is wireless network, then said portable terminal is made as " FALSE " with PersonailityIndexIncluded field wherein when said wireless network sends article one configuration-request message;
After said wireless network is received article one configuration-request message that said portable terminal sends,, ignore the PersonailityIndex field in the said message if PersonailityIndexIncluded field wherein is " FALSE ".
5. method as claimed in claim 3 is characterized in that:
Said negotiation finishes the back both sides when this negotiation result is stored into this and consult to start among the indicated attribute configuration collection Personaility of PersonalityIndex.
6. the method for claim 1 is characterized in that:
After the configuration of said protocol attribute negotiation was accomplished, said wireless network did not comprise the PersonalityIndexStore field of the attribute configuration collection Personality that each attribute of consulting before being used to indicate need store in the message that the negotiation that said portable terminal sends is accomplished.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005107208A1 (en) * | 2004-04-28 | 2005-11-10 | Nokia Corporation | Protocol parameter negotiation |
| CN101073225A (en) * | 2004-12-06 | 2007-11-14 | 三星电子株式会社 | Method, apparatus, and system for negotiating a session between an access terminal and an access network in a high rate packet data system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005107208A1 (en) * | 2004-04-28 | 2005-11-10 | Nokia Corporation | Protocol parameter negotiation |
| CN101073225A (en) * | 2004-12-06 | 2007-11-14 | 三星电子株式会社 | Method, apparatus, and system for negotiating a session between an access terminal and an access network in a high rate packet data system |
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